Home / 1,090,278.40-1,632,307.20-670,374.40

Finding the Fourth Proportional to 1,090,278.40, 1,632,307.20 and 670,374.40

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Solution

The fourth proportional to 1,090,278.40, 1,632,307.20 and 670,374.40 is: 1,003,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,278.40 : 1,632,307.20 = 670,374.40 : x
  2. Step 2: Convert to fraction form
    1,090,278.40/1,632,307.20 = 670,374.40/x
  3. Step 3: Cross multiply
    1,090,278.40x = 1,632,307.20 × 670,374.40
  4. Step 4: Simplify right side
    1,090,278.40x = 1,094,256,959,815.68
  5. Step 5: Solve for x
    x = 1,094,256,959,815.68/1,090,278.40
  6. Step 6: Final answer
    x = 1,003,649.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.